County referral. All amendments to this chapter which would change the district classification or the regulations applying to real property lying within a distance of 500 feet from the boundary of the Village of Nassau or the boundary of any existing or proposed county or state park or other recreational area, or from the right-of-way of any existing or proposed county or state parkway, thruway, expressway, road or highway, or from the right-of-way of any existing or proposed stream or drainage channel owned by the county or for which the county has established channel lines, or from the existing or proposed boundary of any county- or state-owned land on which a public building or institution is situated, shall be referred to the Rensselaer County Planning Board as required by § 239-m, Subdivision 2, of the General Municipal Law. The term "proposed" shall be deemed to include only those recreational areas, parkways, thruways, expressways, roads or highways which are shown on a County Plan of Rensselaer County adopted pursuant to § 239-d of the General Municipal Law or adopted as an Official Map of Rensselaer County pursuant to § 239-g of the General Municipal Law. If the Rensselaer County Planning Board fails to report within 30 days after receipt of a full statement of such referred matter, the Board of Trustees of the Village of Nassau may act without such report. If the Rensselaer County Planning Board disapproves of the proposed amendment, supplement, change or modification or recommends modification of the proposal of the Village of Nassau, the Board of Trustees shall not act contrary to such disapproval or recommendation except by a vote of a majority plus one of all the members thereof and after the adoption of a resolution fully setting forth the reasons for such contrary act. The Board shall file a report of its final action taken with the County Planning Board within 30 days after its decision has been made.